| Place | Post Code |
|---|---|
| Sibio-Bio, Kotanopan | 22994 |
| Simandolan, Kotanopan | 22994 |
| Simpang Tolang Jae, Kotanopan | 22994 |
| Simpang Tolang Julu, Kotanopan | 22994 |
| Singengu Jae, Kotanopan | 22994 |
| Singengu Julu, Kotanopan | 22994 |
| Sopo Sorik, Kotanopan | 22994 |
| Tambang Bustak, Kotanopan | 22994 |
| Tamiang, Kotanopan | 22994 |
| Tobang, Kotanopan | 22994 |
| Ujung Marisi, Kotanopan | 22994 |
| Usor Tolang, Kotanopan | 22994 |